Test & Measurement - September 2021
An automated CT system “sees” deep inside electronics to spot hidden defects...a NASA moon mission spinoff now monitors forest fire emissions...a novel way to test bonded structures in critical aerospace and automotive applications. These are just a few of the technologies you'll read about in this compendium of recent articles chosen by the editors of Tech Briefs and Aerospace & Defense Technology.
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Overview
The September 2021 Special Report on Test & Measurement delves into the evolving landscape of testing and measurement technologies, highlighting innovations and methodologies that address contemporary challenges, particularly in the wake of the COVID-19 pandemic. The report emphasizes the importance of robust test equipment capable of handling diverse scenarios, including high and low power measurements, intermodulation, and group delay assessments, which are crucial for modern electronic systems.
One of the standout innovations discussed is the development of a compact infrared spectrometer that can fit on a computer chip. This miniaturized device retains the analytical capabilities of traditional spectrometers, which are typically bulky and difficult to integrate into portable applications. The chip, measuring about 2 square centimeters, utilizes advanced waveguides with adjustable optical refractive indices to analyze infrared light. This technology allows for the identification of chemical substances based on their unique spectral signatures, making it possible to assess the composition of various materials, such as determining the alcohol content in beverages or the ripeness of fruit.
The report also addresses the significance of automation in testing processes. It highlights the need for systems that can eliminate errors, provide comprehensive documentation, and streamline data acquisition. Such systems are essential for maintaining quality control, whether utilized by individual employees or across entire organizations. The integration of automated testing solutions is presented as a means to enhance efficiency and reliability in measurement practices.
Security in data transmission is another critical theme explored in the report. It discusses the implementation of highly secure wireless platforms that encrypt transported data using a multi-layered approach. This ensures that sensitive information remains protected from unauthorized access, which is increasingly vital in a world where data integrity is paramount.
Additionally, the report touches on the importance of a rigorous peer review process in software development for testing equipment. This process ensures that code adheres to established architectural guidelines, thereby enhancing the reliability and functionality of the final software builds used in testing applications.
Overall, the Special Report on Test & Measurement provides a comprehensive overview of the current state of testing technologies, emphasizing the need for innovation, automation, and security in the field. It showcases how advancements in measurement techniques and equipment are not only meeting the demands of modern applications but also paving the way for future developments in the industry. The insights presented in this report are invaluable for professionals seeking to stay abreast of the latest trends and technologies in test and measurement.
